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Mercury/Mariner 6-Cylinder 3.0L Optimax, Pro XS - OEM

$3,995.00 to $4,401.00
Save $777.57 (15%) $4,700.00 - $5,178.57
Leaves in 3-5 days

This product will be cross shipped from one of our secondary warehouses. Please note the additional handling time.

Last update: 29 days ago Update Now

Inventory for 880686A43
WHS1 WHS2 WHS3 WHS4
In Stock In Stock Unavailable Unavailable

Product Description

New OEM Mercury Marine Gearcase Housing Assembly. Low copper aluminum alloy and superior paint protect against paint flaking and disentigration.

5 Product Variations available

Gearcase - Mercury/Mariner 6-Cylinder 3.0L Optimax, Pro XS - OEM - RH - Standard - L 880686A43

  • Condition: New
  • Rotation: RH
  • Shaft Length: 20 - L
  • Finish: Black
  • Gear Ratio: Standard
  • Notes: s/n 1B504989 and up
$3,995.00
You save $705.00. (15%)
CROSS SHIP Leaves in 3-5 days
$3,995.00
You save $705.00. (15%)

Gearcase - Mercury/Mariner 6-Cylinder 3.0L Optimax, Pro XS - OEM - RH - Standard - XL 880686A44

  • Condition: New
  • Rotation: RH
  • Shaft Length: 25 - XL
  • Finish: Black
  • Gear Ratio: Standard
  • Notes: s/n 1B504989 and up
$4,128.00
You save $729.14. (15%)
CROSS SHIP Leaves in 3-5 days
$4,128.00
You save $729.14. (15%)

Gearcase - Mercury/Mariner 6-Cylinder 3.0L Optimax, Pro XS - OEM - RH - Standard - XXL 880686A51

  • Condition: New
  • Rotation: RH
  • Shaft Length: 30 - XXL
  • Finish: Black
  • Gear Ratio: Standard
  • Notes: s/n 1B504989 and up
$4,128.00
You save $729.14. (15%)
CROSS SHIP Leaves in 3-5 days
$4,128.00
You save $729.14. (15%)

Gearcase - Mercury/Mariner 6-Cylinder 3.0L Optimax, Pro XS - OEM - LH - Standard - CXL 880686A52

  • Condition: New
  • Rotation: LH
  • Shaft Length: 25 - CXL
  • Finish: Black
  • Gear Ratio: Standard
  • Notes: s/n 1B504989 and up
$4,401.00
You save $777.57. (15%)
CROSS SHIP Leaves in 3-5 days
$4,401.00
You save $777.57. (15%)

Gearcase - Mercury/Mariner 6-Cylinder 3.0L Optimax, Pro XS - OEM - LH - Standard - CXXL 880686A53

  • Condition: New
  • Rotation: LH
  • Shaft Length: 30 - CXXL
  • Finish: Black
  • Gear Ratio: Standard
  • Notes: s/n 1B504989 and up
$4,401.00
You save $777.57. (15%)
CROSS SHIP Leaves in 3-5 days
$4,401.00
You save $777.57. (15%)

2 Product Questions

cody

is this complete with all the gears,worm drive, seals, oil, and water pump? Thank you

Answer:

Yes, that unit would be brand new from Mercury. it will include the water pump and be ready to bolt on.

Tim Gill

I have a 2003 Optimax serial #0T701616. I want to make sure that I am choosing the correct one for my engine. Please confirm the correct lower unit . Thank you, Tim Gill

Answer:

The correct lower unit for serial number 0T701616 would be part number 859399T13.

Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

BRAND MODEL 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2014
Mariner Outboard 200DFI [CXL DIG SW] - - x x - - - - - - - - - -
Mariner Outboard 200DFI [CXL SW] - - x x - - - - - - - - - -
Mariner Outboard 200DFI [CXXL DIGSW] - - x x - - - - - - - - - -
Mariner Outboard 200DFI [CXXL SW] - - x x - - - - - - - - - -
Mariner Outboard 200DFI [L DIG] - - x x x x x x - - - - - -
Mariner Outboard 200DFI [L SW] - - - - - - - - x - - - - -
Mariner Outboard 200DFI [L] - - x x - - - - - - - - - -
Mariner Outboard 200DFI [XL DIG SW] - - x x x x x x x - - - - -
Mariner Outboard 200DFI [XL SW] - - x x - - - - x - - - - -
Mariner Outboard 200DFI [XXL DIG SW] - - x x - - - - - - - - - -
Mariner Outboard 200DFI [XXL SW] - - x x - - - - - - - - - -
Mariner Outboard 200EFI [L] - - x - - - - - - - - - - -
Mariner Outboard 225 [CXL CARB] - x x - - - - - - - - - - -
Mariner Outboard 225 [CXL EFI SW] - - x x - - - - - - - - - -
Mariner Outboard 225 [CXL] - x x - - - - - - - - - - -
Mariner Outboard 225 [CXXL CARB] - x x - - - - - - - - - - -
Mariner Outboard 225 [CXXL EFI] - x x x - - - - - - - - - -
Mariner Outboard 225 [EFI] - x - - - - - - - - - - - -
Mariner Outboard 225 [L CARB] - x - - - - - - - - - - - -
Mariner Outboard 225 [L EFI] - - x x x x x - - - - - - -
Mariner Outboard 225 [L] - - x x - - - - - - - - - -
Mariner Outboard 225 [XL CARB] - x - - - - - - - - - - - -
Mariner Outboard 225 [XL EFI SW] - - x x x x x x x - - - - -
Mariner Outboard 225 [XL EFI] - - - - x x - - - - - - - -
Mariner Outboard 225 [XL] - x x x - - - - - - - - - -
Mariner Outboard 225 [XXL CARB] - x x - - - - - - - - - - -
Mariner Outboard 225 [XXL EFI SW] - - x x - - - - - - - - - -
Mariner Outboard 225 [XXL EFI] - x - - - - - - - - - - - -
Mariner Outboard 225DFI [CXL DIG SW] - - x x - x x - - - - - - -
Mariner Outboard 225DFI [CXL SW] - - x x - - - - - - - - - -
Mariner Outboard 225DFI [CXXL DIGSW] - - x x - - - - - - - - - -
Mariner Outboard 225DFI [CXXL SW] - - x x - - - - - - - - - -
Mariner Outboard 225DFI [L DIG] - - x x x x - x - - - - - -
Mariner Outboard 225DFI [L SW] - - - - - - - - x - - - - -
Mariner Outboard 225DFI [L] - - x x - x x - - - - - - -
Mariner Outboard 225DFI [XL DIG SW] - - x x x x x x x - - - - -
Mariner Outboard 225DFI [XL SW] - - x x - - - - - - - - - -
Mariner Outboard 225DFI [XL] - - - - - - - - x - - - - -
Mariner Outboard 225DFI [XXL DIG SW] - - x x - - - - - - - - - -
Mariner Outboard 225DFI [XXL SW] - - x x - - - - - - - - - -
Mariner Outboard 225EFI [L SW] - - - - - - - - x - - - - -
Mariner Outboard 225EFI [L] - - - - x x x x x - - - - -
Mariner Outboard 225EFI [XL SW] - - - - - - - - x - - - - -
Mariner Outboard 250 [CXL EFI SW] - - x x x x - - - - - - - -
Mariner Outboard 250 [CXL EFI] - x - - - - - - - - - - - -
Mariner Outboard 250 [CXXL EFI] - x x x - - - - - - - - - -
Mariner Outboard 250 [XL EFI SW] - - x x x x x x x - - - - -
Mariner Outboard 250 [XL EFI] - x - - - - - - - - - - - -
Mariner Outboard 250 [XXL EFI SW] - - x x - - - - - - - - - -
Mariner Outboard 250 [XXL EFI] - x - - - - - - - - - - - -
Mariner Outboard 250EFI [XL] - - - - - - - - x - - - - -
Mercury Outboard 200DFI - - - - x - - - - - - - - -
Mercury Outboard 200DFI [CXL DIG SW] - - x - x x x x x - - - - -
Mercury Outboard 200DFI [CXL DIG] - - - x x x x x x - - - - -
Mercury Outboard 200DFI [CXL SW] - - x x - - - - - - - - - -
Mercury Outboard 200DFI [CXL] - - x - - - - - x - - - - -
Mercury Outboard 200DFI [CXXL DIGSW] - - x x x x x - - - - - - -
Mercury Outboard 200DFI [CXXL SW] - - x x - - - - - - - - - -
Mercury Outboard 200DFI [L DIG SW] - - - - - - - x x - - - - -
Mercury Outboard 200DFI [L DIG] - - x x x x x x x - - - - -
Mercury Outboard 200DFI [L PROXS] - - - - - - - - x - - - - -
Mercury Outboard 200DFI [L SW] - - - - - - - - x - - - - -
Mercury Outboard 200DFI [L] - - x x - - - x x - - - - -
Mercury Outboard 200DFI [XL DIG SW] - - x x x x x x x - - - - -
Mercury Outboard 200DFI [XL DIG] - - x x x x x x x - - - - -
Mercury Outboard 200DFI [XL SW] - - x x - - - - x x - - - -
Mercury Outboard 200DFI [XL] - - x x - - - - x - - - - -
Mercury Outboard 200DFI [XXL DIG SW] - - x - x x x - - - - - - -
Mercury Outboard 200DFI [XXL DIG] - - - x - x - - - - - - - -
Mercury Outboard 200DFI [XXL SW] - - x x - - - - - - - - - -
Mercury Outboard 200EFI [L SW] - - - - - - - - x - - - - -
Mercury Outboard 200EFI [L] - - - - - x x x x - - - - -
Mercury Outboard 225 [CXL] - x x x - - - - - - - - - -
Mercury Outboard 225 [CXXL] - x x - - - - - - - - - - -
Mercury Outboard 225 [L] - x x - - - - - - - - - - -
Mercury Outboard 225 [XL] - x x x - - - - - - - - - -
Mercury Outboard 225 [XXL] - x x - - - - - - - - - - -
Mercury Outboard 225DFI [CXL DIG SW] - - x x x x x x x - - - - -
Mercury Outboard 225DFI [CXL DIG] - - - x x x x x x - - - - -
Mercury Outboard 225DFI [CXL SW] - - x x - x x x x - - - - -
Mercury Outboard 225DFI [CXL] - - x x - x x - x x - - - -
Mercury Outboard 225DFI [CXXL DIGSW] - - x x x x x x x - - - - -
Mercury Outboard 225DFI [CXXL DIG] - - - - - x x x x - - - - -
Mercury Outboard 225DFI [CXXL SW] - - x x - - - - x - - - - -
Mercury Outboard 225DFI [CXXL] - - - - - x x x x x - - - -
Mercury Outboard 225DFI [L DIG SW] - - - - - - - - x - - - - -
Mercury Outboard 225DFI [L DIG] - - x x x x x x x - - - - -
Mercury Outboard 225DFI [L PRO XS] - - - - - - - - x - - - x -
Mercury Outboard 225DFI [L PROXS] - - - - - - - - x - - x - -
Mercury Outboard 225DFI [L SW] - - - - - - - - x - - - - -
Mercury Outboard 225DFI [L] - - x x - x x x x - - - - -
Mercury Outboard 225DFI [XL DIG SW] - - x x x x x x x - - - - -
Mercury Outboard 225DFI [XL DIG] - - - - x x x x x - - - - -
Mercury Outboard 225DFI [XL PRO XS] - - - - - - - - x - - - - -
Mercury Outboard 225DFI [XL PROXS] - - - - - - - - - - - x - -
Mercury Outboard 225DFI [XL SW] - - x x - x - x x - - - - -
Mercury Outboard 225DFI [XL] - - x x - x - x x - - - - -
Mercury Outboard 225DFI [XXL DIG SW] - - - - x x x x x - - - - -
Mercury Outboard 225DFI [XXL DIG] - - x x - x x x x - - - - -
Mercury Outboard 225DFI [XXL SW] - - x x - x - x x - - - - -
Mercury Outboard 225DFI [XXL] - - - - - x - - - x - - - -
Mercury Outboard 225EFI [CXL SW] - - x x x x x x - - - - - -
Mercury Outboard 225EFI [CXL] - x x - x x x x x x - - - x
Mercury Outboard 225EFI [CXXL SW] - - - - - x x x x - - - - -
Mercury Outboard 225EFI [CXXL] - x x x x - - - - - - - - -
Mercury Outboard 225EFI [EFI] - - x - - - - - - - - - - -
Mercury Outboard 225EFI [L CARB] - - - - - - x - - - - - - -
Mercury Outboard 225EFI [L SW] - - - - - - - - x - - - - -
Mercury Outboard 225EFI [L] - x x x x x x x x x - - - -
Mercury Outboard 225EFI [XL SW] - - x x x x x x x - - - - -
Mercury Outboard 225EFI [XL] - x - - x x x x x x - - - x
Mercury Outboard 225EFI [XXL SW] - - x x x x - x x - - - - -
Mercury Outboard 225EFI [XXL] - x - - - - x - - - - - - -
Mercury Outboard 250 [CXL EFI SW] - - - x x x x x - - - - - -
Mercury Outboard 250 [CXL EFI] - x x - - - - - - - - - - -
Mercury Outboard 250 [CXXL EFI] - x x - - - - - - - - - - -
Mercury Outboard 250 [XL EFI SW] - - - x x x x x - - - - - -
Mercury Outboard 250 [XL EFI] - x x - - - - x - - - - - -
Mercury Outboard 250 [XXL EFI SW] - - x x x x - - - - - - - -
Mercury Outboard 250 [XXL EFI] - x - - - x - x - - - - - -
Mercury Outboard 250DFI [CXL] - - - - - - - - - x x - - -
Mercury Outboard 250DFI [CXXL SW] - - - - - - - - - x - - - -
Mercury Outboard 250DFI [CXXL] - - - - - - - - - - x - - -
Mercury Outboard 250DFI [L PRO XS] - - - - - - - - x - - - x -
Mercury Outboard 250DFI [L PROXS] - - - - - - - - x - - x - -
Mercury Outboard 250DFI [XL PRO XS] - - - - - - - - x - - - - -
Mercury Outboard 250DFI [XL PROXS] - - - - - - - - - - - x - -
Mercury Outboard 250DFI [XL] - - - - - - - - - x x - - -
Mercury Outboard 250DFI [XXL SW] - - - - - - - - - x - - - -
Mercury Outboard 250DFI [XXL] - - - - - - - - - - x - - -
Mercury Outboard 250EFI [CXL SW] - - - - - - - x x - - - - -
Mercury Outboard 250EFI [CXL] - - - - - - - - - x - - - x
Mercury Outboard 250EFI [CXXL SW] - - - x x x x x x - - - - -
Mercury Outboard 250EFI [L] x - - - - - - - - - - x - x
Mercury Outboard 250EFI [XL SW] - - - - - - - - x - - - - -
Mercury Outboard 250EFI [XL] - - - - - - x x x x - - - x
Mercury Outboard 250EFI [XXL SW] - - - - - - - x x x - - - -
Mercury Outboard 250EFI [XXL] - - - - - - - - - x - - - x

Supersession Chain

Name SKU Superceding SKU
Gearcase - Mercury/Mariner 6-Cylinder 3.0L Optimax, Pro XS - OEM - RH - Standard - L VIEWING THIS PRODUCT 880686A43 CURRENT
Gearcase - Mercury/Mariner 6-Cylinder 200, 225, 250hp 3.0L - OEM - RH - 1.75:1 - L 859399T13 880686A43
Gear Housing Assembly 3L EFI (Standard Rotation) 880686T29 880686A43
GC 200-250 LG -RM 859399R13 859399T13
Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.

Flat $3.95 Shipping on ALL parts orders

We offer shipping flat $3.95 shipping on ALL parts orders. (Complete Engines, Lower Units and Sterndrives excluded). In addition orders over $89 have reduced cost express shipping available in checkout.

shipping map shipping map legend

You can get a rough idea of standard transit times from the map above.